fixed weird signin bug

scripts/deduplicate-completions.ts

@@ -0,0 +1,75 @@
+import Database from 'bun:sqlite';
+
+// Database path - adjust if your database is located elsewhere
+const dbPath = Bun.env.DATABASE_URL || './local.db';
+console.log(`Connecting to database: ${dbPath}`);
+const db = new Database(dbPath);
+
+interface DuplicateGroup {
+	anonymous_id: string;
+	date: string;
+	count: number;
+}
+
+interface Completion {
+	id: string;
+	anonymous_id: string;
+	date: string;
+	guess_count: number;
+	completed_at: number;
+}
+
+console.log('Finding duplicates...\n');
+
+// Find all (anonymous_id, date) pairs with duplicates
+const duplicatesQuery = db.query<DuplicateGroup, []>(`
+	SELECT anonymous_id, date, COUNT(*) as count
+	FROM daily_completions
+	GROUP BY anonymous_id, date
+	HAVING count > 1
+`);
+
+const duplicates = duplicatesQuery.all();
+console.log(`Found ${duplicates.length} duplicate groups\n`);
+
+if (duplicates.length === 0) {
+	console.log('No duplicates to clean up!');
+	db.close();
+	process.exit(0);
+}
+
+let totalDeleted = 0;
+
+// Process each duplicate group
+for (const dup of duplicates) {
+	// Get all completions for this (anonymous_id, date) pair
+	const completionsQuery = db.query<Completion, [string, string]>(`
+		SELECT id, anonymous_id, date, guess_count, completed_at
+		FROM daily_completions
+		WHERE anonymous_id = ? AND date = ?
+		ORDER BY completed_at ASC
+	`);
+
+	const completions = completionsQuery.all(dup.anonymous_id, dup.date);
+	console.log(`  ${dup.anonymous_id} on ${dup.date}: ${completions.length} entries`);
+
+	// Keep the first (earliest completion), delete the rest
+	const toKeep = completions[0];
+	const toDelete = completions.slice(1);
+
+	console.log(`    Keeping: ${toKeep.id} (completed at ${new Date(toKeep.completed_at * 1000).toISOString()})`);
+
+	const deleteQuery = db.query('DELETE FROM daily_completions WHERE id = ?');
+
+	for (const comp of toDelete) {
+		console.log(`    Deleting: ${comp.id} (completed at ${new Date(comp.completed_at * 1000).toISOString()})`);
+		deleteQuery.run(comp.id);
+		totalDeleted++;
+	}
+}
+
+console.log(`\n✅ Deduplication complete!`);
+console.log(`Total records deleted: ${totalDeleted}`);
+console.log(`Unique completions preserved: ${duplicates.length}`);
+
+db.close();